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101.

A man perform 1/4 of the total journey by car, 2/3 by bus and the remaining 75 km by train. His total journey is:

Answer»

900 km



NA

102.

If a man covers the first 30 min of his journey at 9 km/h and the next 30 min of his journey at 12 km/h, then find his average speed?

Answer»

10.5 km/h



NA

103.

A Train T1 starts from Ahmedabad to Mumbai at 7 am and reaches at 12 noon. A second train T2 starts at 7 am from Mumbai reaches Ahmedabad at 1 pm. When did the two train cross each other ?

Answer»

 9.43 am



NA

104.

The ratio between the speeds of two trains is 7: 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?

Answer»

87.5 km/hr



NA

105.

A man covers a distance of 180 Km at 72 Kmph and next 190km at 88 Kmph. what is his average speed For his whole journey of 370 Km?

Answer»

79.2 Kmph



NA

106.

A car covers a distance of 690 km in 30 h. What is the average speed of the car?

Answer»

23 km/h



NA

107.

If a man walks 24 Km at 8 Kmph, he will be late by 25min. if he walks 12 Kmph, how early the fixed time Will he reach?

Answer»

35 minutes



NA

108.

A man rows 50 km downstream and 40 km upstream taking 10h each time. what is the man's speed in still water and the rate of the current?

Answer»

9/2 km/h



NA

109.

A certain distance is covered at a certain speed. If half of the distance is covered in double time, the ratio of the two speeds is .

Answer»

4 : 1



NA

110.

A person, if he walks at speed of 12 km/h, reaches his office 20 min late. When he takes auto rickshaw which covers 120 km in 2 hrs, he reaches his office 265 min earlier. Find house & office distance

Answer»

76 km



Let the DISTANCE between the office and the house be D km.
Auto’s SPEED = 120/2.5 = 48 km/h
Then, D/12 – 20/60 = D/48 + 265/60
= D(1/12 – 1/48) = 285/60
= 3D/48 = 285/60
= D = 76 km

111.

A car travels a distance of 840 km at a uniform speed. If the speed of the car is 10km/hr more, if takes tow hours less to cover the same distance. The original speed of the care was:

Answer»

60 km/hr



NA

112.

Ram travels a certain distance at 3km/hr and reaches 15min. lat. If he travels at 4km/hr, he reaches 15min. earlier. The distance he has to travel is:

Answer»

6 km



NA

113.

Suresh travelled 1200 km by air which formed (2/5) of his trip. One third of the whole trip, he travelled by car and the rest of the journey he performed by train. The distance travelled by train was:

Answer»

800km



NA

114.

A train covers a distance of 10 km in minutes.If its speed is decreased by 5 km/hr,the time taken by it to cover the same distance will be :

Answer»

13 MIN 20



NA

115.

Sameer can row a certain distance downstream in 24 h and can come back covering the same distance in 36 h. If the stream flows at the rate of 12 km/h. Find the speed of ameer in still water?

Answer»

60 km/h



NA

116.

A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time, his speed (in km/h

Answer»

12



NA

117.

If a man takes 4 hours to cover a distance of 15km, how much time will be needed to cover 63 km at the same speed:

Answer»

16hrs 48 min.



NA

118.

One train is traveling 45 kmph and other is at 10 meters a second. Ratio of the speed of the two trains is?

Answer»

5:4



45 * 5/18 = 10

25:20 => 5:4

119.

Two trains are moving in opposite directions with speeds of 6 m/s and 12 m/s, respectively. Find their relative speed?

Answer»

18m/s



NA

120.

A person covered one-fourth of the total distance at 26 kmph and remaining distance at 24 kmph. What is the average speed for the total distance?

Answer»

21 (1/3) KMPH



Let the total distance be x km

 total time TAKEN = (x/4)/16 + (3x/4)/24 = x/64 + x/32 = 3x/64

Average speed = x/(3x/64) = 64/3kmph = 21 (1/3)kmph.

121.

How many minutes does Aditya take to cover a distance of 400 m, if runs at a speed of 20 kmph?

Answer»

72 seconds



Aditya's SPEED = 20 KMPH = 20 x 5/18 m/sec = 50/9 m/sec
Time taken to COVER 400 m = (400 x 9/50) sec = 72 sec.

122.

A person complete his journey in 10 hours by car. For the first half of the distance he drives at the speed of 5 kmh"1 and for the second half he drives at speed of .15 kmh"1. What is the total distan

Answer»

75 km



Suppose DISTANCE is x km
T1 = x/2/5 and t2 = x/2/15
Given that t1 + t2 = 10
∴ x/10 + x/30 = 10= 3x + x/30 = 10

123.

A man walking at the rate of 6 km/hr crosses a bridge in 15 minutes. The length of the bridge is ______.

Answer»

1500 m



NA

124.

A cyclist covers a distance of 600 m in 20 min. What is the speed in km/hr of the cyclist?

Answer»

18 km/h



NA

125.

A train does a journey without stopping in 8 hours. If it had traveled 5 km an hour faster, it would have done the journey in 6 hours 40 min. What is its slower speed?

Answer»

 25 kmph



NA

126.

A man travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/hr, 500 km by aeroplane at 400 km/hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance?

Answer»

8000/123 km/hr

127.

Two trains 121 meters and 165 meters in length respectively are running in opposite directions, one at the rate of 80 km and the other at the rate of 65 kmph. In what time will they be completely clea

Answer»

7.15 sec



T = (121 + 165)/ (80 + 65) * 18/5

T = 7.15

128.

The speeds of A and B are in the ratio 3 : 4. A takes 20min more than B to reach a destination. In what time does A reach the destination ?

Answer»

4/3 hours



Ratio of speeds = 3 : 4
Ratio of time taken = 4 : 3
Let the time taken by A and B be 4X hours and 3X hours respectively.
Then 4x - 3x = 20/60
or x = 1/3
Time taken by A = 4x hours
4 * 1/3 = 4/3 hours

129.

Mac travels from A to B a distance of 250 miles in 5 hours 30 minutes. He returns to A in 4 hours 30 minutes. His average speed is :

Answer»

50 kmph



SPEED from A to B = (250 x 2/11) mph = 500/11 mph.
Speed from B to A = (250 x 2/9) mph = 500/9 mph.
Average speed = [2X(500/11) x (500/9)]/[500/11 + 500/9] mph
Average speed = 500000/(4500+5500) = 50 mph

130.

A boy goes to the market at a speed of 10 kmh"1 and returns at a speed of 5 kmh1 . If he takes 3 hours in all, what is the distance between his home and the market ?

Answer»

10 km



Let the distance = X 
TIME taken = (x/10 + x/5) hr
x/10 + x/5 = 3.

131.

A man can row 8 kmh"1 in still water. If the river is running at 2 kmh1 , it takes 4 hrs more upstream than to go downstream for the same distance. Then the distance is given by

Answer»

60 km



Let the DISTANCE be x.
∴ x/8-2 - x/8+2 = 4

132.

The distance between two cities A and B is 330 Km. A train starts from A at 8 a.m. and travel towards B at 60 km/hr. Another train starts from B at 9 a.m and travels towards A at 75 Km/hr. At what tim

Answer»

11 a.m



NA

133.

A train is running at a uniform speed of 80 kmph. It passes a railway platform in 15 seconds. If the length of the platform is 130 m,then the length of the train is

Answer»

203.33 m



NA

134.

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is

Answer»

50 km



NA

135.

If a man takes 4 hours to cover a distance of 15 km. how much time will be needed to cover 63 km. at the same speed ?

Answer»

16 HRS. 48 min.



NA

136.

A man in a train notices that he can count 21 telephone posts in one minute.If they are known to be 50 meters apart , then at what speed is the train travelling ?

Answer»

60 km/hr



NA

137.

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately?

Answer»

10.8 KM/hr



Total distance TRAVELED = 10 + 12 = 22 km /hr.

Total time taken = 10/12 + 12/10 = 61/30 hrs.

Average SPEED = 22 * 30/61 = 10.8 km/hr.

138.

Two trains start at the same time from Aligarh and Delhi and proceed towards each other at 16km/hr and 21km/hr respectively, When they meet, it is found that one train has travelled 60 km more than th

Answer»

444km



NA

139.

A man perform 2/15 of the total journey by rail, 9/20 by tonga and the remaining 10 km on foot. This total journey is ?

Answer»

24 km.



NA

140.

Laxman has to cover a distance of 6 km in 45 minutes . If he cover one half of the distance in 2/3rd time . what should be his speed to cover the remaining distance in the remaining time?

Answer»

3 km/hr.



NA

141.

If Deepesh had walked 20 km/h faster he woulh have saved 1 hour in the distance of 60km. what is the usual speed of Deepesh?

Answer»

100



NA

142.

Three cyclists A, B and C with respective speeds of 8 m/sec , 10 m/sec and 12 m/sec are cycling around a circular track of length 120 m. After how many seconds will they meet for the first time right

Answer»

60 seconds



The times taken by the three CYCLISTS to complete one ROUND each are
A = 120/8 SEC
B = 120/10 sec
C = 120/12 sec.
i.e. 15 sec, 12 sec, 10 sec respectively.
Hence, After a time which is the LCM of (15, 12, 10) sec, they will meet right at the starting point for the FIRST time after 60 seconds.

143.

Two trains start from city A and city B towards each other at 8 am with speeds of 75 km/h and 60 km/h, respectively. If they cross each other at 4 pm, what is the distance between the two cities?

Answer»

 1080 km



NA

144.

A train starts with a speed of 40 km/h with its speed increasing every hour by 10 km/h. In how many hours will it cover 185 km?

Answer»

3 (1/2) h



NA

145.

Train X crosses a stationary train Y in 60 seconds and a pole in 25 seconds with the same speed. The length of the train X is 300 m. What is the length of the stationary train Y?

Answer»

420 m



Let the length of the stationary train Y be LY 

Given that length of train X, LX = 300 m 

 Let the speed of Train X be V. 

SINCE the train X crosses train Y and a pole in 60 SECONDS and 25 seconds RESPECTIVELY

=> 300/V = 25

146.

Yana and Gupta leave points x and y towards y and x respectively simultaneously and travel in the same route. After meeting each other on the way, Yana takes 4 hours to reach her destination, while Gu

Answer»

 32 kmph



NA

147.

The speed of a car increases by 2 kms after every one hour. If the distance travelled in the first one hour was 35 kms,what was the total distance travelleld in 12 hours ?

Answer»

552 kms



NA

148.

In what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way?

Answer»

6 SEC



T = 60/36 * 18/5 = 6 sec

149.

A bus covers a distance of 2184 km in 39 hours. What is the speed (in kmh1 ) of the bus ?

Answer»

56



Speed = 2184/39 = 56 kmh-1

150.

An athlete runs 200 metres race in 24 seconds. His speed is

Answer»

30 km/hr



NA